Which structural member is described as lightweight truss built from a long steel bar bent at a 90-degree angle with welded top and bottom pieces?

• A. Masonry
• B. Manufactured Home
• C. Lightweight Steel Truss
• D. Glue-Laminated Beam

Answer: (C)

Understanding how to identify structural members comes from recognizing their material and how they’re built. A lightweight steel truss is a metal framing member formed from steel pieces that are shaped and welded to create a lightweight, triangulated structure. The clue here—using a long steel element bent at a 90-degree angle with welded top and bottom pieces—describes a built-up steel section where the top and bottom chords are welded together with other members to form a truss. This arrangement provides strong load paths through the triangles while keeping the member light.

Masonry is a solid, non-truss material (brick or block), a manufactured home is a type of structure, and a glue-laminated beam is wood, not steel.